Home / 31,247.88-46,871.58-10,471.24

Finding the Fourth Proportional to 31,247.88, 46,871.58 and 10,471.24

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Solution

The fourth proportional to 31,247.88, 46,871.58 and 10,471.24 is: 15,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.88 : 46,871.58 = 10,471.24 : x
  2. Step 2: Convert to fraction form
    31,247.88/46,871.58 = 10,471.24/x
  3. Step 3: Cross multiply
    31,247.88x = 46,871.58 × 10,471.24
  4. Step 4: Simplify right side
    31,247.88x = 490,803,563.36
  5. Step 5: Solve for x
    x = 490,803,563.36/31,247.88
  6. Step 6: Final answer
    x = 15,706.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.